The HP Smart Array P721m Controller is a PCI-Express (PCIe) 3.0 mezzanine card supporting direct attached SAS Storage. It provides reliability, connectivity, and storage performance for HP ProLiant Gen8 server blades through its support of the latest SAS technology and advanced RAID capabilities.
Supports up to 227 zoned direct attached SAS or SATA hard drives per controller
Delivers data migration between servers and external storage enclosures (supports D2600, D2700, D6000, MDS600 and P2000G3 SAS array systems)
Flash Backed Write Cache up to 2GB increases performance and prevents data loss
Enhanced performance with DDR3-1333 MHz 72-bit memory
GUI-based configuration, management and diagnostic tools